Home / 25,013.38-37,487.00-13,142.90

Finding the Fourth Proportional to 25,013.38, 37,487.00 and 13,142.90

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Solution

The fourth proportional to 25,013.38, 37,487.00 and 13,142.90 is: 19,696.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,013.38 : 37,487.00 = 13,142.90 : x
  2. Step 2: Convert to fraction form
    25,013.38/37,487.00 = 13,142.90/x
  3. Step 3: Cross multiply
    25,013.38x = 37,487.00 × 13,142.90
  4. Step 4: Simplify right side
    25,013.38x = 492,687,779.73
  5. Step 5: Solve for x
    x = 492,687,779.73/25,013.38
  6. Step 6: Final answer
    x = 19,696.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.